Home / 9,318.95-13,974.32-4,935.38

Finding the Fourth Proportional to 9,318.95, 13,974.32 and 4,935.38

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Solution

The fourth proportional to 9,318.95, 13,974.32 and 4,935.38 is: 7,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.95 : 13,974.32 = 4,935.38 : x
  2. Step 2: Convert to fraction form
    9,318.95/13,974.32 = 4,935.38/x
  3. Step 3: Cross multiply
    9,318.95x = 13,974.32 × 4,935.38
  4. Step 4: Simplify right side
    9,318.95x = 68,968,600.51
  5. Step 5: Solve for x
    x = 68,968,600.51/9,318.95
  6. Step 6: Final answer
    x = 7,400.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.